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Dev tools · alternatives · 2026

24 alternatives to Rxdb – A fast, reactive, client-side database

The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/ - pubkey/rxdb

RxDB is a client-side database designed for developers building reactive applications. It runs in the browser and other JavaScript environments, offering fast data querying and real-time synchronization capabilities.… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Rxdb – A fast, reactive, client-side database launched in 2017; newer entries below may have overtaken it.

  1. 1
    RxDB▲6

    A fast, reactive, NoSQL database for JavaScript apps

    2023 · rxdb.info · its alternatives →

  2. 2

    The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/ - pubkey/rxdb

    2017 · github.com · its alternatives →

  3. 3

    Hey there HN! We’re Joe and Stopa, and today we’re open sourcing InstantDB, a client-side database that makes it easy to build real-time and collaborative apps like Notion and Figma. Building modern apps these days involves a lot of schleps. For a basic CRUD app you need to spin up servers, wire up endpoints, integrate auth, add permissions, and then marshal data from the backend to the frontend and back again. If you want to deliver a buttery smooth user experience, you’ll need to add optimistic updates and rollbacks. We do these steps over and over for every feature we build, which can…

    2024 · github.com · its alternatives →

  4. 4

    RxDB is a fast, local-first NoSQL-database for JavaScript Applications like Websites, hybrid Apps, Electron-Apps, Progressive Web Apps and Node.js

    2013 · jsdb.io · its alternatives →

  5. 5

    Set up GraphQL-based replication with RxDB including pull, push, and live streaming handlers for syncing data between client and server.

    2019 · rxdb.info · its alternatives →

  6. 6
    clientdb▲295

    Build lightning fast apps with instantaneous interactions

    2022 · its alternatives →

  7. 7DA

    Hey HN! I’ve written a bunch of WebSocket servers over the years to do simple things like state synchronization, WebRTC signaling, and notifying a client when a backend job was run. I realized that if I had a simple way to create a private, temporary, mini-redis that the client could talk to directly, it would save a lot of time. So we created DriftDB. In addition to the open source server that you can run yourself, we also provide https://jamsocket.live where you can use an instance we host on Cloudflare’s edge (~13ms round trip latency from my home in NY). You may have seen my…

    2023 · driftdb.com · its alternatives →

  8. 8

    Client-Side Database for Browsers,

    2017 · github.com · its alternatives →

  9. 9
    PeerDB▲110

    Fast, native ETL for Postgres

    2023 · peerdb.io · its alternatives →

  10. 10

    A SQL database implemented purely in TypeScript type annotations. - codemix/ts-sql

    2020 · github.com · its alternatives →

  11. 11

    Hi HN, James, Valter, Sam and the team from ElectricSQL here. We're really excited to be sharing ElectricSQL with you today. It's an open source, local-first sync layer that can be used to build reactive, realtime, offline-capable apps directly on Postgres with two way active-active sync to SQLite (including with WASM in the browser). Electric comprises a sync layer (built with Elixir) placed in front of your Postgres database and a type safe client that allows you to bidirectionally sync data from your Postgres to local SQLite databases. This sync is CRDT-based, resilient to conflicting…

    2023 · electric-sql.com · its alternatives →

  12. 12

    Hi HN, Today we’re launching PowerSync, a Postgres<>SQLite bi-directional sync engine that enables an offline-first app architecture. It currently supports Flutter, React Native and web (JavaScript) using Wasm SQLite in the browser, with more client SDKs on the way. Conrad and I (Ralf) have been working on our sync engine since 2009, originally as part of a full-stack app platform. That version of the system is still used in production worldwide and we’ve learnt a lot from its use cases and scaling. About a year ago we started on spinning off PowerSync as a standalone product that is…

    2023 · powersync.com · its alternatives →

  13. 13

    Postgres.js - The Fastest full featured PostgreSQL client for Node.js, Deno, Bun and CloudFlare - porsager/postgres

    2022 · github.com · its alternatives →

  14. 14

    I'm Robbert, the creator of DataGridXL.js. Last month I released version 2 which includes many new features. DataGridXL is a free (and commercial) editable data table library written in ES6. My goal is to develop the most performant & user-friendly spreadsheet-like data table out there: - It has zero dependencies. You don’t need any framework to use DataGridXL. - It is lightweight (~250kb) and easy to use. It does not even require messing with CSS. - It has its own Virtual DOM implementation to prevent DOM errors. - Developer friendly. Supports all modern web browsers Please take a look at…

    2022 · datagridxl.com · its alternatives →

  15. 15PT
  16. 16

    One year ago I open-sourced my very first 'real' project and shared it here. I was a college student in my senior year and desperately looking for a job. At the time of sharing it i couldn't even afford a domain and naively let someone buy the one i had my eyes on lol. It's been a hell of a year with this blowing up, me moving to another country, and switching 2 jobs. In a year we somehow managed to hit 26k stars, grow a 1000+ person discord community, and support 37 languages. I couldn't be more grateful for the community that helped this grow, but now i don't know what direction to take…

    2025 · drawdb.app · its alternatives →

  17. 17
    InstantDB▲320

    Complete backend with auth and storage in one prompt

    Apr 2026 · instantdb.com · its alternatives →

  18. 18PS

    Hello HN, I am Sai Srirampur, one of the Co-founders of PeerDB. (https:&#x2F;&#x2F;github.com&#x2F;PeerDB-io&#x2F;peerdb). We spent the past 7 months building a solid experience to replicate data from Postgres to data warehouses. Now we're expanding to queues. PeerDB Streams provides a simple and native way to replicate changes as they happen in Postgres to Queues (Kafka, Redpanda, Google PubSub, etc). We use Postgres logical decoding to enable Change Data Capture (CDC). Blog post here: https:&#x2F;&#x2F;blog.peerdb.io&#x2F;peerdb-streams-simple-native-postgres.... 10-min quickstart here:…

    2024 · its alternatives →

  19. 19EA
  20. 20

    Simple online database service in the cloud with NoSQL, REST API, low code javascript hooks, MongoDB support and more. Perfect for API automation, custom development, enterprise, backoffice, serverless backends, database driven websites. It provides easy collaboration and data management with secure

    2016 · restdb.io · its alternatives →

  21. 21

    Contribute to Z-Gort/Reservoirs-Lab development by creating an account on GitHub.

    2024 · github.com · its alternatives →

  22. 22

    A flexible GraphQL client and server library that can be used to power realtime applications. - tjmehta/primus-graphql

    2018 · github.com · its alternatives →

  23. 23

    Broadcast, Presence, and Postgres Changes via WebSockets - supabase/realtime

    2020 · github.com · its alternatives →

  24. 24
    restdb.io▲131

    Simple online NoSQL database backend

    2016 · restdb.io · its alternatives →

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